21220614

素因数分解:

$2^1\times 3^2\times {\mathrm{317}}^1\times {\mathrm{3719}}^1$

素因数の和:4044

約数の個数: 24

約数和(自身を含む): 46135440

約数和(自身を除く): 24914826

約数列:

[1, 2, 3, 6, 9, 18, 317, 634, 951, 1902, 2853, 3719, 5706, 7438, 11157, 22314, 33471, 66942, 1178923, 2357846, 3536769, 7073538, 10610307, 21220614]

約数ペア:

[(1, 21220614), (2, 10610307), (3, 7073538), (6, 3536769), (9, 2357846), (18, 1178923), (317, 66942), (634, 33471), (951, 22314), (1902, 11157), (2853, 7438), (3719, 5706)]